LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> LS 500 Base, RWD >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Emission Control System - Service Information >> Purge Valve >> Installation [12/2017 - ] >> Procedure

Installation [12/2017 - ]: Procedure

  1. INSTALL NO. 1 FUEL VAPOR FEED CONNECTOR 
    1. Fuel Vapor Feed Hose Assembly Side:
      GTY784110Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 4 Fuel Vapor Feed Hose
      *2 No. 1 Fuel Vapor Feed Connector
      *3 No. 6 Fuel Vapor Feed Hose
      *a Paint Mark
      *b View A
      *c View B
      View A
      View B
      1. Connect the No. 4 fuel vapor feed hose to the No. 1 fuel vapor feed connector, and slide the clip to secure the hose.

        HINT: 

        • Align the paint mark on the No. 4 fuel vapor feed hose with the positioning stopper on the No. 1 fuel vapor feed connector.
        • Make sure the direction of the clip is as shown in the illustration.
      2. Connect the No. 6 fuel vapor feed hose to the No. 1 fuel vapor feed connector, and slide the clip to secure the hose.

        HINT: 

        • Align the paint mark on the No. 6 fuel vapor feed hose with the positioning stopper on the No. 1 fuel vapor feed connector.
        • Make sure the direction of the clip is as shown in the illustration.
    2. No. 2 Fuel Vapor Feed Hose Assembly Side:
      GTY777617Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 5 Fuel Vapor Feed Hose
      *2 No. 1 Fuel Vapor Feed Connector
      *3 No. 7 Fuel Vapor Feed Hose
      *a Paint Mark
      *b View A
      *c View B
      View A
      View B
      1. Connect the No. 5 fuel vapor feed hose to the No. 1 fuel vapor feed connector, and slide the clip to secure the hose.

        HINT: 

        • Align the paint mark on the No. 5 fuel vapor feed hose with the positioning stopper on the No. 1 fuel vapor feed connector.
        • Make sure the direction of the clip is as shown in the illustration.
      2. Connect the No. 7 fuel vapor feed hose to the No. 1 fuel vapor feed connector, and slide the clip to secure the hose.

        HINT: 

        • Connect the No. 5 fuel vapor feed hose to the No. 1 fuel vapor feed connector at the position shown in the illustration.
        • Make sure the direction of the clip is as shown in the illustration.
  2. INSTALL NO. 1 CHECK VALVE 
    GTY795135Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *1 No. 4 Fuel Vapor Feed Hose *2 No. 5 Fuel Vapor Feed Hose
    *3 No. 1 Check Valve - -
    *a Fuel Vapor Feed Hose Assembly Side *b No. 2 Fuel Vapor Feed Hose Assembly Side
    *c Paint Mark - -
    Engine Front - -
    1. Fuel Vapor Feed Hose Assembly Side:
      1. Connect the No. 1 check valve to the No. 5 fuel vapor feed hose, and slide the clip to secure the hose.

        HINT: 

        Align the direction of the claw on the clip with the paint mark on the hose.

    2. No. 2 Fuel Vapor Feed Hose Assembly Side:
      1. Connect the No. 1 check valve to the No. 4 fuel vapor feed hose, and slide the clip to secure the hose.

        HINT: 

        Align the direction of the claw on the clip with the paint mark on the hose.

  3. INSTALL NO. 2 FUEL VAPOR FEED HOSE 
    1. Install the 2 No. 2 fuel vapor feed hoses to the 2 No. 1 check valves.
  4. INSTALL NO. 2 FUEL VAPOR FEED PIPE 
    1. Install the No. 2 fuel vapor feed pipe to the 2 fuel vapor feed hoses.
  5. INSTALL VACUUM SWITCHING VALVE BRACKET SUB-ASSEMBLY 
    1. Attach the 2 clamps and install the 2 No. 1 check valves to the vacuum switching valve bracket sub-assembly.
  6. INSTALL PURGE VSV 
    1. Install the purge VSV to the vacuum switching valve bracket sub-assembly with the screw.

      Torque: 3.4 N.m (35 kgf/cm, 30 in.lbf) 

    2. Install the No. 1 fuel vapor feed hose.
  7. INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY 
    1. Install the No. 1 vacuum switching valve assembly to the cylinder head sub-assembly RH with the 3 bolts.
      GTY788995Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 6 Fuel Vapor Feed Hose
      *2 No. 7 Fuel Vapor Feed Hose
      *a Paint Mark

      Torque: 21 N.m (214 kgf/cm, 15 ft.lbf) 

    2. Connect the No. 6 fuel vapor feed hose to the fuel vapor feed pipe sub-assembly, and slide the clip to secure the hose.

      HINT: 

      Make sure the direction of the clip is as shown in the illustration.

    3. Connect the No. 7 fuel vapor feed hose to the fuel vapor feed pipe sub-assembly, and slide the clip to secure the hose.

      HINT: 

      Make sure the direction of the clip is as shown in the illustration.

    4. Connect the purge VSV connector.
  8. INSTALL NO. 2 TURBO INSULATOR 

    See step  5

  9. INSTALL FUEL PIPE PROTECTOR BRACKET 
    1. Install the 4 fuel pipe protector bracket with the 4 bolts.

      Torque: 21 N.m (214 kgf/cm, 15 ft.lbf) 

  10. INSTALL WIRE HARNESS CLAMP BRACKET 
    1. Install the wire harness clamp bracket with the 2 bolts.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

    2. Attach the 2 clamps and connect the No. 2 engine wire.
  11. CONNECT ENGINE WIRE 
    1. Attach the 3 clamps and connect the engine wire with the bolt.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

    2. Connect the 4 connectors.
  12. INSTALL FUEL VAPOR FEED PIPE 
    1. Install the fuel vapor feed hose to the No. 1 vacuum switching valve assembly.
    2. Install the fuel vapor feed pipe to the No. 1 engine cover bracket with the 2 bolts.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  13. CONNECT NO. 1 FUEL VAPOR FEED HOSE 
    1. Connect the No. 1 fuel vapor feed hose to the fuel vapor feed pipe, and slide the clip to secure the hose.
  14. INSTALL V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 192 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 192 [09/2018 - 10/2020] , or refer to PROCEDURE - Step 193 [10/2020 - 10/2023] , or refer to PROCEDURE - Step 192 [10/2023 - ]

  15. INSTALL NO. 2 TURBO PRESSURE SENSOR (for Bank 2) 

    See step  2

  16. INSTALL NO. 2 TURBO PRESSURE SENSOR (for Bank 1) 

    See step  1

  17. INSTALL AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1) 

    Refer to PROCEDURE - Step 4

  18. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 8 [12/2017 - 10/2020] , or refer to PROCEDURE - Step 7 [10/2020 - ]